3M - Black 8663 Polyurethane Tape, 8'' x 36 yd | 8663-8BLK Boxell Secure fit – Resists loosening

Secure fit – Resists loosening and vibration

Two-pin configuration – Provides a stable connection for both mic and audio lines in aviation headsets

Mitsubishi

Years       1972-74

3M - Black 8663 Polyurethane Tape, 8'' x 36 yd | 8663-8BLK Boxell Secure fit – Resists loosening3M Matte Black 8663 Polyurethane Protective Tape,Skip Slit Liner 8" x 36 yd 8663 8BLK Provides erosion protection to help reduce maintenance cost Tough, thermoplastic polyurethane elastomer is abrasion, scratch, erosion, tear and puncture resistant Long aging, solvent resistant, pressure sensitive acrylic adhesive is protected by a transparent release liner Acrylic adhesive bonds to a wide variety of substrates and retains bond strength over time, yet